In excess (about grammes to each 10 cc. Of solution), and allow ind for sometime, stirrin occasionally. Ammonium.vanadate, insoluble 1rated solution of ammonium chloride, separates out as a hits ponder. Essary to keep the solution decidedly alkaline, and a drop or two of must be added from.tine to time. Ihe appearance of the faintest 1 tint to the solution is evidence that it has become slightly acid, must be corrected or the result will be too 1 n. Iltar on a small filter, wash first rith a saturated solution of ammonium chloride con drop or two of ammonia, and then with alcohol. Dry, ignite, moisten ~op or two of nitric acid, ignite, and weigh as vanadic acid, which con.